Spicy Fry Sauce Recipe 1/4 cup mayonnaise 1/4 cup ketchup 1/8 teaspoon cayenne pepper 1/4 teaspoon onion powder 1/8 teaspoon ground black pepper 1/8 teaspoon salt Stir together mayonnaise and ketchup; season with cayenne, onion powder, pepper, and salt. Recipe of the Day|